SilverTunnel-NG is a Java library that handles all the Tor connection work for easy integration into new or existing projects. You can connect to any server on the Internet anonymously; connect to a hidden service inside the Tor network; provide a hidden service; and more.

Textlocal API2 Wrapper is a PHP class that can send SMS or MMS messages using the Textlocal API over HTTP. It can send an SMS or MMS message to a given number, send a message to a group of contacts, create groups of contacts, add contacts to a group, retrieve the available groups, delete contacts from a group, delete groups, retrieve message history, etc.

Quak is a simple Jabber component (framework).
It connects to a Jabber server as a component and acts like a normal bot.
You can add plugins to make the bot react to several events (some simple
plugins are included).